/ Dictionary / Index S subequatorial: Meaning and Definition of Find definitions for: sub•e•qua•to•ri•al Pronunciation: (sub"ē-kwu-tôr'ē-ul, -tōr'-, -ek-wu-), [key] — adj. of, pertaining to, or being a region near the equatorial region. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. subentry suber Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language